email headers spf dkim dmarc
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Email Headers: What is SPF, DKIM, DMARC?

You must have come across these terms while looking up for email security or trying to identify a phishing email. These are actually methods used to identify whether the email received is from a legitimate source or not. Let’s get started with SPF or Sender Policy Framework. It’s a record maintained with the sender organization’s…

Google XSS Game

So Google has this xss game where you can practice or test your xss vulnerability skills. You will have to make your own xss payloads as per the scenario of the task and get through the levels. I have just found out this website and I’ll try to do it and post my solutions with…

How to ping a Virtual Box machine from a VMware machine or vice versa

I see a lot of people face this problem. I, myself had this problem when I was trying some Vulnerable Labs which were based on Virtual box and I was running Kali machine on VMware. After some hit and trial, I figured this out. So to create a connection between these two platforms, we must…

Difference between TCP/IP and OSI model

OSI stands for Open System Interconnection. OSI is a reference model and it is used only for educational purposes.On the other hand, TCP/IP, named after two of its most popular protocol, Transfer Protocol and Internet Protocol, is used everywhere. Both of these are models which represents logically what is going on. There are different protocols,…

How to implement web filtration in schools and colleges?

You might have seen that you can’t access certain websites when you are on your school and college’s WiFi because they have restricted such websites on that network. Usually social networking apps like Facebook, Instagram and Adult websites like… are blocked on the network. This is because of the web filtration which I am going…